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Remember.js
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"use strict"; | |
function remember(...args){ | |
const [key, value] = args; | |
if(args.length === 1){ // recall | |
return new Promise(resolve => { | |
setTimeout(() => { | |
const val = localStorage.getItem(key); | |
try{ resolve(JSON.parse(val)) } | |
catch(e){ resolve(val); } | |
}) | |
}); | |
} | |
if(args.length === 2){ // retain | |
return new Promise( (resolve, reject) => { | |
setTimeout(() => { | |
let toStore = value; | |
try{ if(Object(value) === value) toStore = JSON.stringify(value); } | |
catch(e){ reject(e) } | |
try{ | |
localStorage.setItem(key, toStore); | |
resolve(key); | |
} | |
catch(e){ reject(e); } | |
}) | |
}); | |
} | |
} | |
function forget(key){ | |
return new Promise( (resolve, reject) => { | |
setTimeout(() => { | |
try{ | |
resolve(localStorage.removeItem(key)) | |
} | |
catch(e){ | |
reject(e); | |
} | |
}) | |
}); | |
} |
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